Flow analysis of wall-flow diesel particulate filters (DPF) was carried out and simulation was taken by means of computation fluid dynamics software package STAR-CD.

• 摘要对柴油机壁流式过滤体内的气体流动进行了分析，建立了壁流式过滤体阻力特性的计算模型，对过滤体内的阻力特性和微粒捕集器内部的气流运动进行了模拟计算。